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1 | 1 | ---
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2 | 2 | author: duongau
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3 |
| -ms.date: 12/13/2019 |
| 3 | +ms.date: 07/16/2024 |
4 | 4 | ms.service: expressroute
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5 | 5 | ms.topic: include
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6 | 6 | ms.author: duau
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7 | 7 | ---
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8 | 8 |
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9 |
| -| | **Private Peering** | **Microsoft Peering** | **Public Peering** (deprecated for new circuits, will be retired on March 31, 2024) | |
10 |
| -| --- | --- | --- | --- | |
11 |
| -| **Max. # IPv4 prefixes supported per peering** |4000 by default, 10,000 with ExpressRoute Premium |200 |200 | |
12 |
| -| **Max. # IPv6 prefixes supported per peering** |100 |200 |N/A | |
13 |
| -| **IP address ranges supported** |Any valid IP address within your WAN. |Public IP addresses owned by you or your connectivity provider. |Public IP addresses owned by you or your connectivity provider. | |
14 |
| -| **AS Number requirements** |Private and public AS numbers. You must own the public AS number if you choose to use one. |You can set private and public AS numbers for peer ASN. However, you must prove ownership of public IP addresses. Note: If you use customer ASN, you can set public ASN only.|Private and public AS numbers. However, you must prove ownership of public IP addresses. | |
15 |
| -| **IP protocols supported**| IPv4, IPv6 | IPv4, IPv6 | IPv4 | |
16 |
| -| **Routing Interface IP addresses** |RFC1918 and public IP addresses |Public IP addresses registered to you in routing registries. |Public IP addresses registered to you in routing registries. | |
17 |
| -| **MD5 Hash support** |Yes |Yes |Yes | |
| 9 | +| | **Private Peering** | **Microsoft Peering** | |
| 10 | +| --- | --- | --- | |
| 11 | +| **Max. # IPv4 prefixes supported per peering** |4000 by default, 10,000 with ExpressRoute Premium |200 | |
| 12 | +| **Max. # IPv6 prefixes supported per peering** |100 |200 | |
| 13 | +| **IP address ranges supported** |Any valid IP address within your WAN. |Public IP addresses owned by you or your connectivity provider. | |
| 14 | +| **AS Number requirements** |Private and public AS numbers. You must own the public AS number if you choose to use one. |You can set private and public AS numbers for peer ASN. However, you must prove ownership of public IP addresses. Note: If you use customer ASN, you can set public ASN only.| |
| 15 | +| **IP protocols supported**| IPv4, IPv6 | IPv4, IPv6 | |
| 16 | +| **Routing Interface IP addresses** |RFC1918 and public IP addresses |Public IP addresses registered to you in routing registries. | |
| 17 | +| **MD5 Hash support** |Yes |Yes | |
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